World Resorts Italy Trieste Weather

Trieste sea water temperature

Current sea water temperature:
+80.2°F
Minimum sea water temperature in July: 85.3°F
Maximum sea water temperature in July: 72.9°F
Average sea water temperature in July: 78.1°F

Sea water temperature for the last 10 days:

July 16 80.2°F July 11 78.3°F
July 15 80.1°F July 10 78.8°F
July 14 79.3°F July 9 79.2°F
July 13 79.3°F July 8 78.6°F
July 12 79.2°F July 7 78.4°F

When is the warmest sea in Trieste?

Based on the data about daily sea water temperature for the last three years the warmest sea in Trieste was noticed in August, July and September.

Monthly Sea Temperatures in Trieste, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 76.5°F. The highest and lowest sea temperatures during the month were 78.6°F and 74.3°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 79.7°F. The highest and lowest sea temperatures during the month were 83.7°F and 78.1°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 75.2°F. The highest and lowest sea temperatures during the month were 77.9°F and 72.9°F.

Best time for vacation in Trieste

Sunniest months:
August 23 days
July 21 days
June 19 days
Warmest months:
August 84.3 °F
July 83.9 °F
June 79.1 °F
Warmest sea temp:
August 78.3 °F
July 78.1 °F
September 73.7 °F
Coldest months:
January 44.7 °F
December 47.2 °F
February 47.7 °F
Rainiest months:
May 7 days
November 6 days
September 6 days
Windiest months:
February 6.4 mph
March 6.3 mph
November 6.2 mph

Trieste on a weather map

Trieste
+86°F
SE 3 mph
Feels like: +90°F
Precip.: 3%
Places in Italy:
Name
°F
+95°F
+90°F
+84°F
+82°F
+84°F
+86°F
+95°F
+97°F
+82°F
+81°F
+106°F
+90°F
+86°F
+91°F
24 Hours Forecast
Trieste
Local time: 13:00
July 16, thursday
1500
88°F
SE
2 mph
1800
86°F
E
4 mph
2100
73°F
W
3 mph
July 17, friday
0000
72°F
W
4 mph
0300
70°F
W
5 mph
0600
68°F
W
5 mph
0900
84°F
W
2 mph
1200
90°F
E
6 mph
Units of measurement: °C / °F